Re: [PATCH v2 00/10] Add IOMMU support to MT8365 SoC

From: Krzysztof Kozlowski
Date: Wed Apr 05 2023 - 09:54:35 EST


On 05/04/2023 15:13, Alexandre Mergnat wrote:
>
> On 05/04/2023 13:43, Krzysztof Kozlowski wrote:
>> On 05/04/2023 10:06, Alexandre Mergnat wrote:
>>> This commits are based on the Fabien Parent <fparent@xxxxxxxxxxxx> work.
>>>
>>> The purpose of this series is to add the following HWs / IPs support for
>>> the MT8365 SoC:
>>> - System Power Manager
>>> - MultiMedia Memory Management Unit "M4U" (IOMMU)
>>> - Smart Multimedia Interface "SMI"
>>> - Local arbiter "LARB"
>>>
>>> This series depends to two others which add power support for MT8365 SoC
>>> [1] [2].
>> So does it mean they cannot be merged? On first glance I do not see the
>> dependency, so I wonder if we understand the dependencies the same. And
>> subsystems.
> Exactly, we shouldn't merge it before the dependent series to don't ]
> break the build due to
> "#include <dt-bindings/power/mediatek,mt8365-power.h>" in the DTSI file.
> Additionally, LARB will not work properly (or at all) without the power
> support.

And how driver is related to it? If it is, you might have some unusual
coupling between power and memory controller driver.


Best regards,
Krzysztof